From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Jorge Marques <jorge.marques@analog.com>
Cc: "Alexandre Belloni" <alexandre.belloni@bootlin.com>,
"Frank Li" <Frank.Li@nxp.com>,
"Przemysław Gaj" <pgaj@cadence.com>,
linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/3] i3c: master: Add inline i3c_readl_fifo() and i3c_writel_fifo()
Date: Mon, 23 Jun 2025 21:53:44 +0200 [thread overview]
Message-ID: <aFmwyJ4W30PM_sCM@shikoro> (raw)
In-Reply-To: <20250622-i3c-writesl-readsl-v2-1-2afd34ec6306@analog.com>
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On Sun, Jun 22, 2025 at 11:18:58AM +0200, Jorge Marques wrote:
> The i3c abstraction excepts u8 buffers, but some controllers have a bus
> width of 32-bits and don't support flagging valid bytes, so it is
> required to read/write long words and to use memcpy on the remainder of
> the number of bytes by 32-bits to not write/read outside the buffer
> bounds.
>
> Signed-off-by: Jorge Marques <jorge.marques@analog.com>
Despite Frank's valid comments, I tested this code with the Renesas
driver and it worked so far. Thanks!
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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next prev parent reply other threads:[~2025-07-02 22:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-22 9:18 [PATCH v2 0/3] Add helper methods i3c_writel_fifo() and i3c_readl_fifo() Jorge Marques
2025-06-22 9:18 ` [PATCH v2 1/3] i3c: master: Add inline i3c_readl_fifo() and i3c_writel_fifo() Jorge Marques
2025-06-23 15:43 ` Frank Li
2025-06-24 8:50 ` Jorge Marques
2025-06-23 19:53 ` Wolfram Sang [this message]
2025-06-22 9:18 ` [PATCH v2 2/3] i3c: master: cdns: Use i3c_master_writesl() and i3c_master_readsl() Jorge Marques
2025-06-23 15:45 ` Frank Li
2025-06-24 8:55 ` Jorge Marques
2025-06-22 9:19 ` [PATCH v2 3/3] i3c: master: dw: " Jorge Marques
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